Boreal Button Lichen vs Parasitic Button Lichen

Buellia disciformis compared with Buellia badia

Key Differences

• Boreal Button Lichen is Critically Endangered while Parasitic Button Lichen is Extinct.

Taxonomic Classification

Rank	Boreal Button Lichen	Parasitic Button Lichen
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Ascomycota (Sac Fungi)	Ascomycota (Sac Fungi)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Caliciales (Caliciales)	Caliciales (Caliciales)
Family same	Caliciaceae	Caliciaceae
Genus same	Buellia	Buellia
Species	Buellia disciformis	Buellia badia

Evolutionary Relationship

Boreal Button Lichen and Parasitic Button Lichen share a common ancestor at the Genus level: Buellia.

Conservation Status

Boreal Button Lichen

CR — Critically Endangered

Parasitic Button Lichen

EX — Extinct

Physical Characteristics

Attribute	Boreal Button Lichen	Parasitic Button Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Button Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Parasitic Button Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

Boreal Button Lichen

The Boreal Button Lichen (Buellia disciformis) is a species in the genus Buellia. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 5 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States